Card Codex

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17 May 2024: Card library updated.

Dire Undercurrents

3U/BU/B · Enchantment

Whenever a blue creature enters the battlefield under your control, you may have target player draw a card. Whenever a black creature enters the battlefield under your control, you may have target player discard a card.

Similar cards

Color identity:
NameManaTypeText
Faldorn, Dread Wolf Herald 1RGLegendary Creature — Human Druid Whenever you cast a spell from exile or a land enters the battlefield under your control from exile, create a 2/2 green Wolf creature token. {1}, {T}, Discard a card: Exile the top card of your library. You may play it this turn. 3/3
Molten Sentry 3RCreature — Elemental As Molten Sentry enters the battlefield, flip a coin. If the coin comes up heads, Molten Sentry enters the battlefield as a 5/2 creature with haste. If it comes up tails, Molten Sentry enters the battlefield as a 2/5 creature with defender. */*
Oran-Rief Hydra 4GGCreature — Hydra Trample Landfall — Whenever a land enters the battlefield under your control, put a +1/+1 counter on Oran-Rief Hydra. If that land is a Forest, put two +1/+1 counters on Oran-Rief Hydra instead. 5/5
Denethor, Stone Seer 1ULegendary Creature — Human Noble When Denethor, Stone Seer enters the battlefield, scry 2. {3}{R}, {T}, Sacrifice Denethor: Target player becomes the monarch. Denethor deals 3 damage to any target. 1/3
Undercity Plague 4BBSorcery Target player loses 1 life, discards a card, then sacrifices a permanent. Cipher (Then you may exile this spell card encoded on a creature you control. Whenever that creature deals combat damage to a player, its controller may cast a copy of the encoded card without paying its mana cost.)
Underhanded Designs 1BEnchantment Whenever an artifact enters the battlefield under your control, you may pay {1}. If you do, each opponent loses 1 life and you gain 1 life. {1}{B}, Sacrifice Underhanded Designs: Destroy target creature. Activate only if you control two or more artifacts.
Blood Crypt Land — Swamp Mountain ({T}: Add {B} or {R}.) As Blood Crypt enters the battlefield, you may pay 2 life. If you don't, it enters the battlefield tapped.
Breeding Pool Land — Forest Island ({T}: Add {G} or {U}.) As Breeding Pool enters the battlefield, you may pay 2 life. If you don't, it enters the battlefield tapped.
Godless Shrine Land — Plains Swamp ({T}: Add {W} or {B}.) As Godless Shrine enters the battlefield, you may pay 2 life. If you don't, it enters the battlefield tapped.
Hallowed Fountain Land — Plains Island ({T}: Add {W} or {U}.) As Hallowed Fountain enters the battlefield, you may pay 2 life. If you don't, it enters the battlefield tapped.
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